Non-inflatable tyre
Technical field
The utility model belongs to tyre technology, more particularly to a kind of non-inflatable tyre.
Background technology
Now widely used tubed tyre and tubeless tyre are pneumatic tire, and its principle is by tyre cavity
Injecting compressed air carries tire, and its maximum potential safety hazard is, once tire is punctured by sharp objects, scratched, pole
Easily there is deflation gas leakage, or even blow out, cause security incident.The patent application of application number 201510246208.6 is disclosed
A kind of inflation-free air core tyre, five buffering air cavitys that carcass inside is set and the interior contiguous bits located at tire toe and carcass
Left and right rectangle buffering air cavity, composition can ensure that tire has the resilient support muscle system of reliably working elasticity, it is ensured that this exempts to fill
Gas formula air core tyre has the common elastic ability and non-deformability of general pneumatic tire.But it is easy in use
Appearance is grounded footprint shape irregularly and the uneven situation of ground contact pressure distribution.Therefore, develop a kind of with comfortableness, peace
The non-solid non-inflatable tyre of full property and durability turns into the top priority of automobile and tyre industry.
Utility model content
The purpose of this utility model is to provide a kind of Stability Analysis of Structures, lightweight, crushing resistance good novel inflation-free tire,
It is adapted to the vehicles such as card car, car, electric motor car and bicycle.
In order to achieve the above object, the technical solution of the utility model is, non-inflatable tyre, along tire radial direction ecto-entad
Tyre surface is included successively and tyre surface vulcanizes integral base rubber, and the elastic support played a supportive role to tyre surface, elasticity
Supporter includes outer bearing ring with base portion glue laminating, the interior bearing ring contacted with wheel rim, and positioned at outer bearing ring and interior holds
Midfoot support body between pressure ring, midfoot support body is made up of the circumferential multiple pressure parts closely arranged, and each pressure part is by having
There are the first bool and the second bool radially axisymmetrical setting of multi-section circular arc, longitudinal axis pass through tire centerline,
First bool and the second bool are provided with multiple connecting portions in longitudinal axis, the first bool and the second bool it is many
Section circular arc curvature is all identical or part is identical or all different.
Preferably, the first bool and the second bool are connected with outer bearing ring respectively.
Preferably, the first bool and the second bool be attached on interior bearing ring or respectively with interior bearing ring connect
Connect.
Preferably, the first bool and the second bool are connected on interior bearing ring, and the first bool and second curved
Bent part is additionally provided with two connecting portions in longitudinal axis.
Preferably, the multi-section circular arc of the first bool and the second bool drops successively along tire radius ecto-entad curvature
It is low.
Preferably, the top arc of rubber tread circumference section is the low one section of arc or two sections of tangent arcs in middle part two ends high
Structure.
It is furthermore preferred that when the top arc of rubber tread circumference section is one section of arc structure, arcuate midway point 2- high compared with two ends
4mm, three strokes and dots circles can obtain circular curve;When top arc is two sections of tangent arc structures, tread is highly 2-7mm.
Preferably, the outer bearing ring of connection is made up with multiple pressure parts of interior bearing ring of thermoplastic.
Preferably, base rubber is connected with outer bearing ring using high viscosity binding agent.
Compared with prior art, advantage of the present utility model and good effect are:
1st, the claimed non-inflatable tyre of the utility model, midfoot support body is by the circumferential multiple pressure parts closely arranged
Constitute, two bools with multi-section circular arc for constituting pressure part are provided with multiple connecting portions in longitudinal axis, improve
The support performance of tire, while contributing to the uniform discrete transmission of ground pressure.
2nd, the claimed non-inflatable tyre of the utility model, it is multiple in multiple support member longitudinal axis of midfoot support body
Connecting portion causes support member for the class figure of eight, and be divided into for elastic support by connecting portion of multiple support members in longitudinal axis
Sandwich construction, during supporting construction stress, connecting portion can effectively carry out the transmission of automobile load on axle and tire is carried, and can improve wheel
The deformability and mitigation support body weight of tire, improve the comfortableness of tire.
3rd, the claimed non-inflatable tyre of the utility model, the circumferential section circular arc in rubber tread top is high by two using middle part
The low tangent arc of one section of arc or two ends in end, makes tire be grounded impression and is presented oval or square, helps to reduce rubber tread mill
Damage.
4th, elastic support is recyclable thermoplastic, and proportion is small, can effectively reduce tire weight, reduces production
Cost, energy-conserving and environment-protective;Supporting construction uses single injection-molded technique, simple production process to solve common radial
The problem that manufacturing process is complicated, process control is difficult.
5th, the gross thickness 15mm-30mm of rubber tread and base rubber, and the use of elastic support, rubber tread, base rubber
Not only tire used performance had been met but also had met the material of the small requirement of proportion, so as to reduce tire quality;And to the glue of rubber tread
Material is optimized, and reduces tire drag, helps to reduce vehicle oil consumption, energy saving.
6th, base rubber is bonded with outer bearing ring using the binding agent of high viscosity, can strengthen base rubber with elastic support
Adhesive power.
Brief description of the drawings
Fig. 1 is the front view of the non-inflatable tyre of the embodiment of the utility model one;
Fig. 2 is the isometric side view of the non-inflatable tyre of the embodiment of the utility model one;
Fig. 3 is the single-unit of the non-inflatable tyre of the embodiment of the utility model one away from axial stereogram;
Fig. 4 is the single-unit of the non-inflatable tyre of the embodiment of the utility model one away from axial, cross-sectional view;
Fig. 5 is the tyre surface designed arc-shaped appearance schematic diagram of the non-inflatable tyre of the embodiment of the utility model one;
Above in each figure:1st, tyre surface;2nd, base rubber;3rd, elastic support;31st, outer bearing ring;32nd, midfoot support body;33、
Support member;331st, the first elastic component;332nd, the second elastic component;34th, interior bearing ring;4th, wheel rim.
Specific embodiment
Below, the utility model is specifically described by exemplary implementation method.It should be appreciated, however, that not having
In the case of being further discussed below, element, structure and features in an implementation method can also be advantageously incorporated into other implementations
In mode.
, it is necessary to explanation, the traveling axle of tire is axial direction, circumferencial direction in accompanying drawing 1 in description of the present utility model
It is circumference, along the direction of radius for radially;And along radius increase direction be it is outside, along radius reduction direction be inside.Art
Language " interior ", " outward ", " on ", D score, the orientation of the instruction such as "front", "rear" or position relationship be to be closed based on the position shown in accompanying drawing 1
System, is for only for ease of description the utility model and simplifies description, necessary rather than the device or element for indicating or imply meaning
With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.Additionally,
Term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
It is as Figure 1-Figure 5 a kind of claimed non-inflatable tyre structure of the utility model, along tire radially by outer
The tyre surface 1 and tyre surface for inwardly including settable decorative pattern successively vulcanize integral base rubber 2, and support work is played to tyre surface
Elastic support 3, elastic support 3 includes the outer bearing ring 31 fitted with base rubber 2, the interior pressure-bearing contacted with wheel rim 4
Ring 34, and the midfoot support body 32 between outer bearing ring 31 and interior bearing ring 34, midfoot support body 32 is by circumferential tight
Multiple pressure parts 33 of arrangement are constituted, and each pressure part 33 is by the first bool 331 and the second bool with multi-section circular arc
332 radially axisymmetrical settings, by tire centerline, the first bool 331 and the second bool 332 are in footpath for longitudinal axis
To being provided with multiple connecting portions on axis.The claimed non-inflatable tyre of the utility model, based on radial size mould
Type is designed, it is adaptable to various vehicles.
In order to ensure that non-inflatable tyre possesses enough bearing capacity and damping characteristics, positioned at outer bearing ring and interior bearing ring
Between midfoot support body 32 be made up of the circumferential multiple pressure parts 33 closely arranged, each pressure part 33 is by with multi-section circular arc
The first bool 331 and the second bool 332 radially axisymmetrical is set, the first bool 331 and the second bool 332
It is connected with outer bearing ring respectively, the first bool 331 and the second bool 332 are attached to be held on interior bearing ring or respectively with interior
Pressure ring is connected, and the first bool 331 and the second bool 332 are provided with multiple connecting portions, the structure of formation in longitudinal axis
Referred to as class figure-eight knot structure.The multi-section circular arc curvature of the first bool 331 and the second bool 332 is all identical or part is identical
Or it is all different.
Referring to Fig. 1, Fig. 2, such as Fig. 1-Fig. 2 is the first embodiment of non-inflatable tyre of the present utility model, in the present embodiment,
Midfoot support body 32 is made up of the circumferential multiple pressure parts 33 closely arranged, and each pressure part 33 is by with multi-section circular arc the
Radially axisymmetrical is set for one bool 331 and the second bool 332, and the first bool 331 and the second bool 332 are distinguished
It is connected with outer bearing ring, the first bool 331 and the second bool 332 are connected on interior bearing ring, and the He of the first bool 331
Second bool 332 is provided with the multistage of multiple connecting portions, the first bool 331 and the second bool 332 in longitudinal axis
Circular arc is reduced successively along tire radius ecto-entad curvature.
In the present embodiment, it is evenly arranged by 50-70 pressure part 33 in tire circumference and is constituted, it is ensured that tire is circumferential uniform
Undertake load.Each pressure part 33 is by by the first bool 331 and the second bool 332 with multi-section circular arc radially axle
Line is symmetrical arranged, and the first bool 331 and the second bool 332 can improve tire in longitudinal axis with two connecting portions
Support performance, while contributing to the uniform discrete transmission of ground pressure.The multistage circle of the first bool 331 and the second bool 332
Arc is reduced successively along tire footpath ecto-entad cambered surface curvature, so as to form class figure-eight knot structure.
It is the single-unit of the non-inflatable tyre of the embodiment of the utility model one away from axial stereogram, figure referring to Fig. 3 and Fig. 4, Fig. 3
4 for the embodiment of the utility model one non-inflatable tyre single-unit away from axial, cross-sectional view.Two connecting portions are by midfoot support body 32
It is divided into three layers of supporting construction.What is be connected with outer bearing ring 31 is ground floor, and what is be connected with interior bearing ring 34 is third layer, and centre is
The second layer.To improve tire ground connection performance, while strengthening tire radial rigidity, it is ensured that the load of tire ground area is uniform rapidly
Transmission, the first bool 331 and the second bool 332 for constituting ground floor supporting construction is connected with outer bearing ring respectively, i.e., outer
Bearing ring has two connecting portions, and in tire circumference, between this layer of arc component inner circumferential arc length and arc component
Circumferential arc length is almost equal.The radius of curvature of second layer supporting construction is big compared with third layer, is conducive to carrying out deformation buffering to load,
Third layer supporting construction has a connecting portion with interior bearing ring, can effectively carry out the transmission of automobile load on axle and tire is carried, and
The deformability of tire can be improved and mitigate support body weight, improve the comfortableness of tire.Three layers of supporting construction can carried
When uniformly transfer load, increase the support performance of tire.During stress, the second layer and third layer supporting construction stress of support member become
Shape, forms similar round, contributes to supporter recoverable force and improves shock-absorbing capacity.
Referring to Fig. 5, Fig. 5 is the tyre surface designed arc-shaped appearance schematic diagram of the non-inflatable tyre of the embodiment of the utility model one.Tire
Tyre surface is using one section of low arc of middle part two ends high or two sections of tangent arc designs.When tyre surface circular arc is designed using one section of arc ABC, circular arc
Midpoint B can obtain tyre surface circular curve ABC compared with ends A point and C points 2~4mm high, A, B, C tri- strokes and dots circle;Set using two sections of arcs
Timing, tread is highly 2~7mm, and two sections of circular arcs are mutually tangent, i.e. arc AB is tangent with arc BCD, and arc BCD is tangent with arc DE, arc
AB is equal with the radius of arc DE, the radius R2 of the radius R1 of arc BCD more than arc AB and arc DE, arcuate midway point C points compared with ends A point and
E points 1~3mm high, crown arc arc length is about the 60%~70% of tread length, and tire ground connection impression is presented oval or square,
Advantageously reduce treadwear,
The figure of eight curve supporting body structure of the elastic support 3 of non-inflatable tyre of the present utility model is high using having
The thermoplastic once injection moulding of the performances such as intensity, high resiliency, resistance to flexion, resistance to thermal oxide.Single injection-molded technique,
Simple production process, overcomes the problem that common radial manufacturing process is complicated, process control is difficult.The border of base rubber 2 with
The outer bearing ring 31 of supporting construction is combined, to strengthen its adhesive power, using high viscosity binding agent, the molecular structure of its component
Can be mutually bonded with support body material, be integrally formed.Specifically, the border of base rubber 2 is uniformly laid on the outer of elastic support 3 holding
On pressure ring 31, using the binding agent of high viscosity, the molecular structure of its component can be mutually bonded with support body material, play supporter
Effect from the macromolecule polarity of material to the low molecule polarity transition of base rubber, so as to strengthen base rubber 2 and elastic support 3
Adhesive power.The gross thickness of tyre surface 1 and base rubber is 15mm~30mm, reduces tire weight.Formula is carried out to the sizing material of tyre surface 1 excellent
Change, so as to reduce rolling resistance.Non-inflatable tyre of the present utility model is not only grounded performance and handling stability can be excellent, resilient support
The material recoverable of body 3, energy-conserving and environment-protective, and the simple production process of elastic support 3, tire weight are small, are conducive to energy-conservation
Emission reduction, reduces oil consumption.
It is understood that except in above-described embodiment the first bool 331 and the second bool 332 be connected to interior pressure-bearing
On ring, and the first bool 331 and the second bool 332 also have two connecting portions in longitudinal axis.It is of the present utility model
First bool 331 and the second bool 332 of non-inflatable tyre can be also connected on interior bearing ring 34.First bool
331 and second the multi-section circular arc curvature of bool 332 can be all identical;Also can part it is identical, for example, can be with outside and inner side
Circular arc curvature is identical and middle part circular arc curvature is different;The curvature of multi-section circular arc can also be all different.Can guarantee that can be by rubber
Transmitted the Load discretization of glue tyre surface.
It is understood that except first bool 331 and the second bool 332 of above-described embodiment are in longitudinal axis
With two connecting portions, non-inflatable tyre of the present utility model first bool 331 and the second bool 332 are in longitudinal axis
There can be multiple connecting portions, 32 points is multilayer by midfoot support body, you can by the supporting construction of multilayer by the load of rubber tread
Lotus is equably transmitted, and several layers of supporting constructions of inner radial pass through the load that self-deformation carries outside several layers of mechanisms
Lotus uniform pickup simultaneously improves the shock-absorbing capacity of elastic support.